报告题目:Design of 3D porous carbon monoliths and their supercapacitor properties
报告人:王延青
报告时间:5月12日(周五)下午
报告地点:嘉锡楼313
报告摘要:
Nitrogen-dopedporous activated carbon monoliths (NDP-ACMs) havelong been the most desirable materials for supercapacitors.Unique to the conventional templatebased Lewis acid/base activationmethods, herein, we report on a simple yet practicable novel approach to production of the three-dimensional NDP-ACMs(3D-NDP-ACMs). Polyacrylonitrile (PAN) containedcarbon nanotubes (CNTs) being pre-dispersed into tubular level of dispersions was used as the starting materialand the 3D-NDP-ACMs were obtained via a template-freeprocess. First, a continuouslymesoporous PAN/CNT based 3D monolith was established by using template-free temperature-induced phase separation (TTPS). Second, a nitrogen-doped 3D-ACMstructure was obtained via carbonization of thePAN/CNT based monolith. At last, 3D-NDP-ACMwithasurface area 613.8 m2/g anda pore volume 0.366cm3/g was obtained.A typical supercapacitorwith our3D-NDP-ACMsas the functioning electrodesgavea specific capacitance stabilized at 216 F/geven after 3000 cycles,demonstrated the advantageous
个人简介:
王延青,2011年获私费外国人留学生特待制度留学日本,2013年“国家优秀自费留学生奖学金”获奖者。2014年任北海道大学博士后研究员,2015年任东京大学特任研究员和东京大学华人科学技术促进会副会长,2016年以访问学者身份在美国宾夕法尼亚大学做研究。2015年入选日本学术振兴会(JSPS)外国人特别研究员,主持日本政府学术振兴会外国人青年学者特别研究基金项目。目前在东京大学做特任研究员。
从事碳纳米管石墨烯复合材料制备、分散技术研究及纳米技术应用等工作10年,开发出超级电容器储能材料,柔性触摸屏透明导电薄膜电极材料,环境净化用碳纳米管石墨烯光催化剂材料等。
发表论文26篇(SCI收录12篇,EI收录1篇),其中SCI论文第一作者或通讯作者9篇;授权发明专利10项;承担国家级和省级项目2项,主持日本政府青年学者研究项目一项,山东省科技进步一等奖主要完成人之一;参加国际会议14次,其中邀请报告1次,口头报告9次;为Chemical Communication,Physical Chemistry Chemical Physics (PCCP)和RSC Advances化学类期刊的审稿人。
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